Tomoo Takahara

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical transmission device, optical transmission system, and alloc...
- Patent number 10,547,390
- Issue date Jan 28, 2020
- Fujitsu Limited
- Tomoo Takahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device and method for transmitting frame in optical transmission sy...
- Patent number 10,476,632
- Issue date Nov 12, 2019
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission device and setting method
- Patent number 10,397,084
- Issue date Aug 27, 2019
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiving device and sending device
- Patent number 10,212,015
- Issue date Feb 19, 2019
- Fujitsu Limited
- Ryou Okabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimation method for optical receiver and light source device
- Patent number 10,128,960
- Issue date Nov 13, 2018
- Fujitsu Limited
- Ryou Okabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus and transmission method
- Patent number 10,050,714
- Issue date Aug 14, 2018
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-carrier optical transmission system, optical transmitter, and...
- Patent number 10,027,408
- Issue date Jul 17, 2018
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal receiving device and method of receiving an optical...
- Patent number 10,027,422
- Issue date Jul 17, 2018
- Fujitsu Limited
- Tomoo Takahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter, optical communication system, and optical tran...
- Patent number 9,998,230
- Issue date Jun 12, 2018
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical reception apparatus
- Patent number 9,998,233
- Issue date Jun 12, 2018
- Fujitsu Limited
- Ryou Okabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiving device and method for controlling dispersion comp...
- Patent number 9,973,276
- Issue date May 15, 2018
- Fujitsu Limited
- Yutaka Kai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus and transmission system
- Patent number 9,923,640
- Issue date Mar 20, 2018
- Fujitsu Limited
- Ryou Okabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system, controller for wavelength tunable filt...
- Patent number 9,876,601
- Issue date Jan 23, 2018
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal processing apparatus, optical signal processing meth...
- Patent number 9,876,577
- Issue date Jan 23, 2018
- Fujitsu Limited
- Toshiki Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method for determining numbers of bits allocated to subcarriers and...
- Patent number 9,853,728
- Issue date Dec 26, 2017
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus and transmission method
- Patent number 9,813,201
- Issue date Nov 7, 2017
- Fujitsu Limited
- Tomoo Takahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device and method for transmitting multicarrier signals
- Patent number 9,768,879
- Issue date Sep 19, 2017
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter and optical transmission method
- Patent number 9,749,055
- Issue date Aug 29, 2017
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission device, transmitter, and transmission method
- Patent number 9,735,880
- Issue date Aug 15, 2017
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device and optical transmission system
- Patent number 9,634,796
- Issue date Apr 25, 2017
- Fujitsu Limited
- Toshiki Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Optical transmitter, optical receiver, optical transmission system,...
- Patent number 9,509,406
- Issue date Nov 29, 2016
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system, method for controlling optical commun...
- Patent number 9,509,412
- Issue date Nov 29, 2016
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multilevel intensity modulation and demodulation system and method
- Patent number 9,467,229
- Issue date Oct 11, 2016
- Fujitsu Limited
- Yutaka Kai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus, transmission system, and transmission method
- Patent number 9,425,897
- Issue date Aug 23, 2016
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission control device, transmission system, and transmission...
- Patent number 9,184,867
- Issue date Nov 10, 2015
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
PON system and subcarrier assigning method
- Patent number 9,118,436
- Issue date Aug 25, 2015
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitting apparatus, receiving apparatus, optical frequency divi...
- Patent number 9,088,383
- Issue date Jul 21, 2015
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitting apparatus, optical receiving apparatus, and op...
- Patent number 8,867,927
- Issue date Oct 21, 2014
- Fujitsu Limited
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-wavelength light source
- Patent number 8,849,128
- Issue date Sep 30, 2014
- Fujitsu Limited
- Shoichiro Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter
- Patent number 8,818,207
- Issue date Aug 26, 2014
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND ALLOC...
- Publication number 20180337735
- Publication date Nov 22, 2018
- Fujitsu Limited
- Tomoo Takahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTER, OPTICAL COMMUNICATION SYSTEM, AND OPTICAL TRAN...
- Publication number 20180034551
- Publication date Feb 1, 2018
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SIGNAL RECEIVING DEVICE AND METHOD OF RECEIVING AN OPTICAL...
- Publication number 20170338892
- Publication date Nov 23, 2017
- Fujitsu Limited
- Tomoo Takahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEVICE AND METHOD FOR TRANSMITTING FRAME IN OPTICAL TRANSMISSION SY...
- Publication number 20170302406
- Publication date Oct 19, 2017
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RECEIVING DEVICE AND METHOD FOR CONTROLLING DISPERSION COMP...
- Publication number 20170272161
- Publication date Sep 21, 2017
- Fujitsu Limited
- Yutaka Kai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ESTIMATION METHOD FOR OPTICAL RECEIVER AND LIGHT SOURCE DEVICE
- Publication number 20170230120
- Publication date Aug 10, 2017
- Fujitsu Limited
- Ryou Okabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION APPARATUS AND TRANSMISSION METHOD
- Publication number 20170214470
- Publication date Jul 27, 2017
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM, CONTROLLER FOR WAVELENGTH TUNABLE FILT...
- Publication number 20170093515
- Publication date Mar 30, 2017
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION APPARATUS AND TRANSMISSION SYSTEM
- Publication number 20170078027
- Publication date Mar 16, 2017
- Fujitsu Limited
- Ryou Okabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR DETERMINING NUMBERS OF BITS ALLOCATED TO SUBCARRIERS AND...
- Publication number 20170070286
- Publication date Mar 9, 2017
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE AND SETTING METHOD
- Publication number 20160352609
- Publication date Dec 1, 2016
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-CARRIER OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMITTER, AND...
- Publication number 20160285548
- Publication date Sep 29, 2016
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVING DEVICE AND SENDING DEVICE
- Publication number 20160248500
- Publication date Aug 25, 2016
- Fujitsu Limited
- Ryou Okabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RECEPTION APPARATUS
- Publication number 20160218812
- Publication date Jul 28, 2016
- Fujitsu Limited
- Ryou Okabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE, TRANSMITTER, AND TRANSMISSION METHOD
- Publication number 20160204869
- Publication date Jul 14, 2016
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEVICE AND METHOD FOR TRANSMITTING MULTICARRIER SIGNALS
- Publication number 20160197679
- Publication date Jul 7, 2016
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION APPARATUS AND TRANSMISSION METHOD
- Publication number 20160119090
- Publication date Apr 28, 2016
- Fujitsu Limited
- Tomoo Takahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SIGNAL PROCESSING APPARATUS, OPTICAL SIGNAL PROCESSING METH...
- Publication number 20160112139
- Publication date Apr 21, 2016
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION SYSTEM
- Publication number 20150256288
- Publication date Sep 10, 2015
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTILEVEL INTENSITY MODULATION AND DEMODULATION SYSTEM AND METHOD
- Publication number 20150222359
- Publication date Aug 6, 2015
- Fujitsu Limited
- Yutaka Kai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION SYSTEM, METHOD FOR CONTROLLING OPTICAL COMMUN...
- Publication number 20150188638
- Publication date Jul 2, 2015
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION APPARATUS, TRANSMISSION SYSTEM, AND TRANSMISSION METHOD
- Publication number 20150104182
- Publication date Apr 16, 2015
- FUJITSU LIMITED
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTER, OPTICAL RECEIVER, OPTICAL TRANSMISSION SYSTEM,...
- Publication number 20150071642
- Publication date Mar 12, 2015
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTER AND OPTICAL TRANSMISSION METHOD
- Publication number 20140369677
- Publication date Dec 18, 2014
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION CONTROL DEVICE, TRANSMISSION SYSTEM, AND TRANSMISSION...
- Publication number 20140153925
- Publication date Jun 5, 2014
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PON SYSTEM AND SUBCARRIER ASSIGNING METHOD
- Publication number 20140099111
- Publication date Apr 10, 2014
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SIGNAL TRANSMITTING APPARATUS, OPTICAL FREQUENCY DIVISION M...
- Publication number 20140099114
- Publication date Apr 10, 2014
- Fujitsu Limited
- Masato NISHIHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMITTING APPARATUS, RECEIVING APPARATUS, OPTICAL FREQUENCY DIVI...
- Publication number 20140099115
- Publication date Apr 10, 2014
- Fujitsu Limited
- Toshiki TANAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-WAVELENGTH LIGHT SOURCE
- Publication number 20120243880
- Publication date Sep 27, 2012
- Fujitsu Limited
- Shoichiro ODA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK SYSTEM
- Publication number 20120237212
- Publication date Sep 20, 2012
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Tomoo Takahara

Person

Patents Grantslast 30 patents

Optical transmission device, optical transmission system, and alloc...

Device and method for transmitting frame in optical transmission sy...

Transmission device and setting method

Receiving device and sending device

Estimation method for optical receiver and light source device

Transmission apparatus and transmission method

Multi-carrier optical transmission system, optical transmitter, and...

Optical signal receiving device and method of receiving an optical...

Optical transmitter, optical communication system, and optical tran...

Optical reception apparatus

Optical receiving device and method for controlling dispersion comp...

Transmission apparatus and transmission system

Optical transmission system, controller for wavelength tunable filt...

Optical signal processing apparatus, optical signal processing meth...

Method for determining numbers of bits allocated to subcarriers and...

Transmission apparatus and transmission method

Device and method for transmitting multicarrier signals

Optical transmitter and optical transmission method

Transmission device, transmitter, and transmission method

Optical transmission device and optical transmission system

Optical transmitter, optical receiver, optical transmission system,...

Optical communication system, method for controlling optical commun...

Multilevel intensity modulation and demodulation system and method

Transmission apparatus, transmission system, and transmission method

Transmission control device, transmission system, and transmission...

PON system and subcarrier assigning method

Transmitting apparatus, receiving apparatus, optical frequency divi...

Optical transmitting apparatus, optical receiving apparatus, and op...

Multi-wavelength light source

Optical transmitter

Patents Applicationslast 30 patents

OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND ALLOC...

OPTICAL TRANSMITTER, OPTICAL COMMUNICATION SYSTEM, AND OPTICAL TRAN...

OPTICAL SIGNAL RECEIVING DEVICE AND METHOD OF RECEIVING AN OPTICAL...

DEVICE AND METHOD FOR TRANSMITTING FRAME IN OPTICAL TRANSMISSION SY...

OPTICAL RECEIVING DEVICE AND METHOD FOR CONTROLLING DISPERSION COMP...

ESTIMATION METHOD FOR OPTICAL RECEIVER AND LIGHT SOURCE DEVICE

TRANSMISSION APPARATUS AND TRANSMISSION METHOD

OPTICAL TRANSMISSION SYSTEM, CONTROLLER FOR WAVELENGTH TUNABLE FILT...

TRANSMISSION APPARATUS AND TRANSMISSION SYSTEM

METHOD FOR DETERMINING NUMBERS OF BITS ALLOCATED TO SUBCARRIERS AND...

TRANSMISSION DEVICE AND SETTING METHOD

MULTI-CARRIER OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMITTER, AND...

RECEIVING DEVICE AND SENDING DEVICE

OPTICAL RECEPTION APPARATUS

TRANSMISSION DEVICE, TRANSMITTER, AND TRANSMISSION METHOD

DEVICE AND METHOD FOR TRANSMITTING MULTICARRIER SIGNALS

TRANSMISSION APPARATUS AND TRANSMISSION METHOD

OPTICAL SIGNAL PROCESSING APPARATUS, OPTICAL SIGNAL PROCESSING METH...

OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION SYSTEM

MULTILEVEL INTENSITY MODULATION AND DEMODULATION SYSTEM AND METHOD

OPTICAL COMMUNICATION SYSTEM, METHOD FOR CONTROLLING OPTICAL COMMUN...

TRANSMISSION APPARATUS, TRANSMISSION SYSTEM, AND TRANSMISSION METHOD

OPTICAL TRANSMITTER, OPTICAL RECEIVER, OPTICAL TRANSMISSION SYSTEM,...

OPTICAL TRANSMITTER AND OPTICAL TRANSMISSION METHOD

TRANSMISSION CONTROL DEVICE, TRANSMISSION SYSTEM, AND TRANSMISSION...

PON SYSTEM AND SUBCARRIER ASSIGNING METHOD

OPTICAL SIGNAL TRANSMITTING APPARATUS, OPTICAL FREQUENCY DIVISION M...

TRANSMITTING APPARATUS, RECEIVING APPARATUS, OPTICAL FREQUENCY DIVI...

MULTI-WAVELENGTH LIGHT SOURCE

OPTICAL NETWORK SYSTEM